a regular 7/eleven cup. >> tell us about coffee drinkers when it comes to the candidates here. what is the coffee of choice? >> well, you know, it is interesting, actually president obama perhaps should have gone decaffeinated the other night. we spoke with a neuropsychologist, our go-to scientist, about what caffeine can do to your brain to help your performance before a debate or something like that and governor romney, you know, since he doesn't drink coffee, he could have gone for some dark chocolate to improve his mental function. >> dark chocolate for mitt romney and a little bit more could ha caffeine for the president. cat, thank you. >>> a battle of words, but what can we learn from the facial expressions of the candidates? we'll take a scientific look. dry mouth may start off as an irritant. it'll cause cavities, bad breath. patients will try and deal with it by drinking water. water will work for a few seconds but if you're not drinking it, it's going to get dry again. i recommend biotene. all the biotene products like the oral rinse...the sprays have enzymes in them. the
